/** Load synonyms with the given {@link SynonymMap.Parser} class. */
private SynonymMap loadSynonyms(
ResourceLoader loader, String cname, boolean dedup, Analyzer analyzer)
throws IOException, ParseException {
CharsetDecoder decoder =
Charset.forName("UTF-8")
.newDecoder()
.onMalformedInput(CodingErrorAction.REPORT)
.onUnmappableCharacter(CodingErrorAction.REPORT);
SynonymMap.Parser parser;
Class<? extends SynonymMap.Parser> clazz = loader.findClass(cname, SynonymMap.Parser.class);
try {
parser =
clazz
.getConstructor(boolean.class, boolean.class, Analyzer.class)
.newInstance(dedup, expand, analyzer);
} catch (Exception e) {
throw new RuntimeException(e);
}
File synonymFile = new File(synonyms);
if (synonymFile.exists()) {
decoder.reset();
parser.parse(new InputStreamReader(loader.openResource(synonyms), decoder));
} else {
List<String> files = splitFileNames(synonyms);
for (String file : files) {
decoder.reset();
parser.parse(new InputStreamReader(loader.openResource(file), decoder));
}
}
return parser.build();
}
// (there are no tests for this functionality)
private TokenizerFactory loadTokenizerFactory(ResourceLoader loader, String cname)
throws IOException {
Class<? extends TokenizerFactory> clazz = loader.findClass(cname, TokenizerFactory.class);
try {
TokenizerFactory tokFactory = clazz.getConstructor(Map.class).newInstance(tokArgs);
if (tokFactory instanceof ResourceLoaderAware) {
((ResourceLoaderAware) tokFactory).inform(loader);
}
return tokFactory;
} catch (Exception e) {
throw new RuntimeException(e);
}
}